MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 930084fcddfa8cf8a0db97413e824e5ef0b818ddc0b2af0db298563615bafb10. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
ValleyRAT
Vendor detections: 11
| SHA256 hash: | 930084fcddfa8cf8a0db97413e824e5ef0b818ddc0b2af0db298563615bafb10 |
|---|---|
| SHA3-384 hash: | bb4947438cd1601fb1b13da4bbdfcb897e5cc47f898bce7eb6f1c53c79c6ec299669a4a99880fc50b5490b737dcfb9da |
| SHA1 hash: | bb277aa2826ea7b70bfa6306d4b0c4fd82655d72 |
| MD5 hash: | 991102f546909e703f3918bab4158575 |
| humanhash: | red-alabama-high-autumn |
| File name: | 2 0 2 6 年 第 二 季 度 违 规 内 职 人 员 名 单 信 息.exe |
| Download: | download sample |
| Signature | ValleyRAT |
| File size: | 4'452'864 bytes |
| First seen: | 2026-03-30 10:18:47 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 726ca573e92cd3f2777a240240e4c934 (2 x ValleyRAT) |
| ssdeep | 49152:q65oSpQzhrXJv+ppEEUb7jN8Gtu8ZnPFHz6Jz6Jsv6tWKFdu9CzPTvG7spHFhh6f:x5gVBVPFHzVJsv6tWKFdu9Czij |
| TLSH | T1C8267C9E7A7E0399D4BBC1B4A6B38197E5317C019B705ACB2384535C2A731F09DEB2D8 |
| TrID | 37.0% (.EXE) Win64 Executable (generic) (6522/11/2) 28.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 11.5% (.EXE) OS/2 Executable (generic) (2029/13) 11.3% (.EXE) Generic Win/DOS Executable (2002/3) 11.3% (.EXE) DOS Executable (generic) (2000/1) |
| Magika | pebin |
| Reporter |  Ling |
| Tags: | exe SilverFox Trojan/SilverFox.bg[qtsc] ValleyRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
114
Origin country :
USVendor Threat Intelligence
Gathering data
Malware family:
n/a
ID:
1
File name:
2 0 2 6 年 第 二 季 度 违 规 内 职 人 员 名 单 信 息.exe
Verdict:
Malicious activity
Analysis date:
2026-03-30 07:47:07 UTC
Tags:
websocket valleyrat rat silverfox winos
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Verdict:
Malicious
Score:
97.4%
Tags:
emotet hype
Result
Verdict:
Malware
Maliciousness:
Behaviour
DNS request
Connection attempt
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Creating a file in the system32 subdirectories
Launching a process
Creating a file in the Program Files subdirectories
Searching for synchronization primitives
Сreating synchronization primitives
Creating a window
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
adaptive-context anti-debug base64 fingerprint microsoft_visual_cc packed
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-03-30T04:50:00Z UTC
Last seen:
2026-03-30T06:51:00Z UTC
Hits:
~100
Detections:
Trojan.Win64.Zenpak.fad PDM:Trojan.Win32.Generic Trojan-Dropper.Win32.Injector.sb Trojan.Win64.Zenpak.sb
Verdict:
Suspicious
Score:
97%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
6 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Verdict:
Malicious
Threat:
Trojan.Win64.Zenpak
Threat name:
Win64.Trojan.Malgent
Status:
Malicious
First seen:
2026-03-30 08:51:55 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
15 of 24 (62.50%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
7/10
Tags:
defense_evasion
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
930084fcddfa8cf8a0db97413e824e5ef0b818ddc0b2af0db298563615bafb10
MD5 hash:
991102f546909e703f3918bab4158575
SHA1 hash:
bb277aa2826ea7b70bfa6306d4b0c4fd82655d72
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | CP_Script_Inject_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerCheck__MemoryWorkingSet |
|---|---|
| Author: | Fernando Mercês |
| Description: | Anti-debug process memory working set size check |
| Reference: | http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/ |
| Rule name: | DebuggerCheck__QueryInfo |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | FreddyBearDropper |
|---|---|
| Author: | Dwarozh Hoshiar |
| Description: | Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip. |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | RIPEMD160_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for RIPEMD-160 constants |
| Rule name: | SHA1_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA1 constants |
| Rule name: | SUSP_Websites |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects the reference of suspicious sites that might be used to download further malware |
| Rule name: | test_Malaysia |
|---|---|
| Author: | rectifyq |
| Description: | Detects file containing malaysia string |
| Rule name: | ThreadControl__Context |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE |
|---|---|
| Author: | CYFARE |
| Description: | Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments |
| Reference: | https://cyfare.net/ |
| Rule name: | VECT_Ransomware |
|---|---|
| Author: | Mustafa Bakhit |
| Description: | Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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